Accounting Assistant

Mathes Brierre Architects has been serving the New Orleans community and beyond for over a century. As a multidisciplinary design firm, we value collaboration, thoughtful work, and long standing client relationships, supported by strong internal operations.
We are seeking a detail oriented Accounting Assistant to support the financial processes behind our project work. This role is responsible for maintaining accurate billing, managing vendor payments, and supporting contract documentation within a fully onsite and collaborative office environment. The Accounting Assistant plays an important role in helping projects move forward efficiently and accurately.
What You’ll Do:
Project & Contract Support

Assist with project setup within the accounting system and maintain organized project financial records
Support preparation, tracking, and filing of client contracts and change orders
Assist with monthly project billing reviews and project closeout documentation
Process contractor pay applications and prepare corresponding billing documentation
Accounts Payable

Review and process vendor invoices for accuracy and proper authorization
Coordinate timely vendor payments in accordance with firm procedures
Maintain accounts payable records and assist with account reconciliations
Accounts Receivable & Billing

Prepare and issue client invoices based on approved billing schedules
Monitor accounts receivable balances and assist with follow up as needed
Maintain accurate billing and financial tracking documentation
Administrative & Office Support

Draft standard correspondence and assist with routine financial communications
Support general administrative functions within the finance department
Provide occasional assistance to office management as needed
Respond to internal and external financial inquiries in a professional and timely manner
Reasonable accommodations may be made to enable individuals with disabilities to perform these essential functions.
Required Qualifications

One (1) to three (3) years of experience in accounting, bookkeeping, or related financial roles
Associate’s degree in Accounting, Finance, or a related field preferred
Working knowledge of basic accounting principles, including accounts payable and accounts receivable processes
Experience using accounting software (BQE Core, QuickBooks, Deltek, or similar systems)
Proficiency with Microsoft 365, with emphasis on Excel
High attention to detail and accuracy
Strong organizational and time management skills
Ability to manage multiple priorities and meet deadlines in a project-based environment
Effective written and verbal communication skills
Demonstrated professionalism and discretion when handling confidential financial information
Ability to work independently and take initiative while supporting a collaborative team environment
Adaptability and willingness to assist with administrative and documentation needs as the firm evolves
Work Environment & Physical Requirements

This position is fully onsite in a professional office environment, Monday through Friday. Regular, in-person attendance is required
Prolonged periods of sitting and working at a computer, including frequent use of a keyboard, mouse, and standard office equipment
Ability to communicate effectively in person, by phone, and via electronic communication
Ability to review detailed financial information and documentation with accuracy and attention to detail
Occasional lifting and moving of office materials, files, or packages up to 15–20 pounds
Compensation & Benefits

Competitive salary, commensurate with experience
Health, dental, and vision insurance
Employer paid life and long-term disability insurance
Paid time off and paid holidays
401(k) plan with employer contribution
Opportunities for professional development and continuing education
Supportive, collaborative, and long-tenured workplace culture
Why You’ll Love Working Here:
Mathes Brierre Architects is known for its stability and long-tenured leadership. Many members of our team have been with the firm for decades, reflecting a culture that values professionalism, consistency, and long-term commitment. You’ll work within a small accounting team that supports a respected design practice, where your work directly contributes to the firm’s operations and project success. We support professional growth and continuing education and offer an environment where employees can build lasting careers. If you’re looking for a steady, collaborative workplace where your skills are valued and your contributions matter, we encourage you to apply.
Equal Employment Opportunity Statement: Mathes Brierre Architects provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.
We are proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees and the businesses we support.
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